Marion, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Waupaca County, Wisconsin.
Today
82°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between noon and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. Heat index values as high as 84. Southwest wind 7 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 7 to 12 mph SW | 28% |
| Tonight | 58°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 7 mph NW | 23% |
| Wednesday | 80°F | Mostly Sunny | 1 to 5 mph ESE | 5% |
| Wednesday Night | 55°F | Partly Cloudy then Patchy Fog | 0 to 5 mph WNW | 2% |
| Thursday | 84°F | Patchy Fog then Sunny | 0 to 6 mph WSW | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 mph SSW | 0% |
| Friday | 87°F | Sunny | 3 to 10 mph SW | 2% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 16% |
| Saturday | 87°F | Mostly Sunny | 5 to 10 mph SW | 13% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 37% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 37% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 2 to 8 mph NW | 36% |
| Monday | 84°F | Chance Showers And Thunderstorms | 2 to 7 mph SSE | 30% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 2 to 7 mph NNW | 35% |
Forecast source: National Weather Service (api.weather.gov) for Marion (44.677, -88.902). Updated through the day.
Growing snapshot for Marion
Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5a
More local growing data for Marion: nearby ZIP 54950 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Big Falls
Chain O' Lakes
Clintonville
Embarrass
Iola
King
Manawa
New London
Northport
Ogdensburg
Scandinavia
Waupaca
Weyauwega
Climate data from the nearest NOAA station, Clintonville, Wi (8.7 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.